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®BolderstoneRetaining Wall System
Details & Dimensions:
Split face 225 unit
Bolstered 225 unit
Blocks
Cornerstones
Capping Units
440mm capping unit
200mm capping unit
No/M2:
Weight/unit:Code:
Units/pallet:Product: Description:
26.5
26
16.0
5.3
3500
3600
5440
5103
11.35
11.35
2.3/lin m
5/lin m
60
60
84
270
NominalDimensions
200 x 440 x 225
200 x 440 x 225
Left hand split cornerstone
Right hand split cornerstone
Universal Bolstered cornerstone
21.5
21.5
19.5
3381
3382
3360
32
32
64
200 x 380 x 160
200 x 380 x 160
200 x 380 x 140
65 x 440 x 320
65 x 200 x 230
Drawing not to Scale
Drainage layer 300mm in depth constructed of20mm angular clear stone(not scoria)
Geotextile Cloth encapsulatingthe drainage layer
Footing of c(FCR Class 2) at a depth of 600mm
ompacted crushed rock
Footing height of150mm compacted
Footing toedepth 200mm
90-100mm A.G. Pipe ata 1:100 grade to a legaldischarge point
Backslope of retained soil must be 15 degrees or less
Height ofRetaining
Wall
Installation information Construction guidelines....Typical walls up to 1.0m in height
Wall Setback:
Offset percourse:
Maximum wall height:
1:401:8
5mm25mm
Maximum wall heights....
Gravity wall
800mm1000mm
Note: This table is a guide, all retaining walls over one metre in height need to be designed by a qualified engineer.
Check with your local council to see if there are any regulations relating to your proposed building works. Ensure that all relevant building codes are adhered to.
Constructing the footing:Excavate a trench 200mm deep and 600mm in width. Fill with a well-graded crushed rock and compact with a mechanical vibrating plate to achieve footing at least 150mm thick. Ensure the footing is well compacted and level.
Laying the base course:Use a string line when constructing a straight segment of wall. When building a curved segment of wall, use a piece of bent conduit to create the shape you desire, then mark the shape on the ground using spray paint. Placing a 10-20mm bedding layer of mortar on the crushed rock footing will make it easier to level the first course.Beginning at the lowest point, place units and tap into position using a rubber mallet. Make sure that every block is level from front to back and side to side using a spirit level. This will give the wall a professional look.
Placing drainage material:Place a 90-100mm drainage pipe adjacent to the back of the first course and ensure it has the required fall to carry the water away to the desired drainage point. Fill the block cavities with crushed rock (FCR Class 2), wet the block in-fill and compact after completion of each course.Lay geotextile filter cloth to encapsulate the drainage zone. This prevents migration of retained earth into the drainage layer. Using 20mm angular clear stone, create a 300mm drainage layer behind the wall (not scoria).
Installing remaining courses:Sweep excess crushed rock from the top of the first course of blocks. Insert the plastic keys into the square recesses on the top face of the blocks, orienting the keys as per figure 1 to achieve the desired setback. Place the next course of blocks, ensuring vertical joints are appropriately offset to the course below. Fill the block cavities in the same way as for the base course and continue creating the drainage layer behind the wall in 200mm lifts. Continue this process for all remaining courses.
Finishing off the wall:When the last course has been installed, place capping units on the top course of blocks, affixing them in place with either masonry adhesive or mortar.
The maximum wall heights listed below are for gravity walls with no reinforcement. Walls can be built up to several metres if fully engineered as a geo-grid reinforced wall or a canterlievered wall incorporating steel reinforcing and concrete core infill. An engineers design is usually required for walls over 1m in height, walls on a boundary or walls with a surcharge.
General Notes:
1. Designed in accordance with AS4678-2002 & AS4678-2002 Amdt No 1 July 2003, for a Class A retaining walls.
2. Retaining wall height is measured vertically from the base of thebottom course to the level of retained infill soil.
3. Crushed rock footing must be embedded in undisturbed natural soil of 100kPa bearing capacity, and if clay, of cohesion >15kPa.
4. No excavation is to be made within a lateral distance in-front ofthe wall equal to its height.
5. Bottom course is to be embedded 100mm below final ground level
Wall Setback:
Depth of no-fines concrete:
Maximum wall height:
1:81:81:8
300mm350mm500mm
No-fines concrete backed wall
1200mm1400mm1600mm
Walls 1000mm & under
Walls over 1000mm (indicative)
Geo-grid reinforced wallsContact us for further information on design and construction.
n o t e sColour Variat ion
Ef f lorescence
Del iver y
Claims
Due to the changes in raw material, variations in colour do occur. When ordering your product, order all elements of your project together to reduce the possibility of colour variation. We do not guarantee different batches will be an exact colour match.
Efflorescence (a crystalline salt deposit) is a natural occurrence in masonry products. Efflorescence does not effect the structural integrity or strength of the product. Efflorescence will usually diminish and disappear in the course of time as the product is exposed to the elements. No responsibility will be accepted for the occurrence of efflorescence.
When placing your order please confirm delivery zone pricing and minimum free delivery quantities applicable to your area. Maximum unloading time for deliveries is half an hour. Delivery of bolstered product may take up to two weeks, depending on the availability and quantity ordered.
Claims must be reported within 48 hours of delivery. No claims will be accepted once product has been installed. Please contact the store where goods were purchased to report any concerns regarding product colour or quality.
Bolderstone®
y o u r s t o c k i s t
Convex curvesThe specially
designed back “wings” are
easily knocked-off (on site) to achieve a minimum radius
of 1.5 metres.
1:4.5 Setback
The orientation of the plastic key determines the setback of the wall. After reading the Bolderstone wall heights table and determining what set back is required, place the keys in the appropriate position as outlined above.
Course B(and D,F,H...)
Course B(and D,F,H...)
Steps are easily created using the standard units for step risers and the 440mm capping unit for step treads. Stair wells are often designed to be two capping units wide giving a 880mm width stair structure.
Figure 1. -Offset Interlocking Keys:
Curves:Concave curves are easily achieved by abutting the front faces ofadjacent blocks and gapping the back face.
1:8 Setback1:40 Setback
Corners:
Course A(and C,E,G...)
To build an external corner follow these diagrams. Use cornerstonesalternatively as you build yourwall. Depending on the setback,one block per course may needto be cut to maintain bond.
(Minimum radius 1.5m)
External Corners:
Internal Corners:A corner structure is formedby building two walls. On anycourse, one wall will run through the other wall. This alternates with each course up the wall.Depending on the setback,one block per course may needto be cut to maintain bond.
Course A(and C,E,G...)
Steps:
®Bolderstone tiered wallsD
H1
H2 £ D ³ 2H1
H1
H2
Bolderstone 440 Cap
Bolderstone Unit
Compacted Granular Fill
OriginalGround
rangeColour
Ivory Autumn Gold Charlestone Bluestone
NOTE: These colours are an indication only, please contact your nearest distributor to view sample colours.
Desert Sand
www.erosioncontrol.com.auFor technical assistance please call
CAMPBELLFIELD Ph: 9359-6028GREENSBOROUGH Ph: 9434-6744MORDIALLOC Ph: 9580-1080TAYLORS LAKES Ph: 9390-8100www.paveworld.com.auEmail: [email protected]